Finding the Third Proportional to 217,859.63 and 447,747.75
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Solution
The third proportional to 217,859.63 and 447,747.75 is: 920,216.62
Step by Step Solution
- Step 1: Write the proportion equation
217,859.63 : 447,747.75 = 447,747.75 : x - Step 2: Convert to fraction form
217,859.63/447,747.75 = 447,747.75/x - Step 3: Cross multiply
217,859.63x = 447,747.75 × 447,747.75 - Step 4: Simplify right side
217,859.63x = 200,478,047,630.06 - Step 5: Solve for x
x = 200,478,047,630.06/217,859.63 - Step 6: Final answer
x = 920,216.62
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.